11504121 has 16 divisors (see below), whose sum is σ = 16339968. Its totient is φ = 7174400.

The previous prime is 11504093. The next prime is 11504137. The reversal of 11504121 is 12140511.

It is a happy number.

11504121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11504121 - 2⁷ = 11503993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11504121.

It is not an unprimeable number, because it can be changed into a prime (11504321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9151 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (1021248).

Almost surely, 2^11504121 is an apocalyptic number.

It is an amenable number.

11504121 is a deficient number, since it is larger than the sum of its proper divisors (4835847).

11504121 is a wasteful number, since it uses less digits than its factorization.

11504121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 11504121 is about 3391.7725454399. The cubic root of 11504121 is about 225.7448303900.

Adding to 11504121 its reverse (12140511), we get a palindrome (23644632).

The spelling of 11504121 in words is "eleven million, five hundred four thousand, one hundred twenty-one".